CN217875339U

CN217875339U - Liquid delivery system

Info

Publication number: CN217875339U
Application number: CN202221453639.1U
Authority: CN
Inventors: 黄广庆
Original assignee: Jiangmen Toyo Ink Co Ltd
Current assignee: Jiangmen Toyo Ink Co Ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-11-22
Anticipated expiration: 2032-06-07

Abstract

The utility model discloses a liquid conveying system, include: the liquid storage tank is used for storing liquid; the first infusion device comprises a buffer tank and a first infusion tube; the second infusion device comprises a delivery pump and a second infusion tube; the discharge pipe group comprises a collecting pipe, the constant-pressure feeding pipe device comprises a controller, a first pressure detector, a second pressure detector and a flow switch, the first pressure detector is used for detecting the pressure of liquid in the collecting pipe, the second pressure detector is used for detecting the pressure in the buffer tank, and the first pressure detector, the second pressure detector, the flow switch and the delivery pump are all electrically connected to the controller; the embodiment of the utility model provides a liquid conveying system can keep invariable pressure when transporting liquid, and the conveying efficiency is high.

Description

Liquid delivery system

Technical Field

The utility model belongs to the technical field of liquid conveying equipment makes and specifically relates to a liquid conveying system is related to.

Background

In the related art, when the pipeline is used for conveying liquid, the liquid conveying pressure is unstable, and the conveying efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a liquid conveying system, delivery pressure is stable when carrying liquid, and conveying efficiency is high.

According to the utility model discloses some embodiments provide a liquid conveying system, include: the liquid storage tank is used for storing liquid; the first infusion device comprises a buffer tank and a first infusion tube, and two ends of the first infusion tube are respectively connected with the buffer tank and the liquid storage tank; the second infusion device comprises a delivery pump and a second infusion tube, and two ends of the second infusion tube are respectively connected with the liquid storage tank and the delivery pump; the discharge pipe group comprises a collecting pipe and a feeding pipe, the collecting pipe is respectively connected with the buffer tank and the delivery pump, and the feeding pipe is connected with the output end of the collecting pipe; constant voltage conveyor, including controller, first pressure detector, second pressure detector and flow switch, first pressure detector is used for detecting the pressure of liquid in the collecting pipe, second pressure detector is used for detecting pressure in the buffer tank, flow switch is used for opening or closing the collecting pipe, first pressure detector second pressure detector flow switch and the equal electric connection of delivery pump in the controller.

According to the utility model discloses some embodiments provide a liquid conveying system has following beneficial effect at least: the constant-pressure conveying device is arranged in the liquid conveying system, when a flow switch is turned on, a feeding pipe starts to feed materials, liquid in a buffer tank flows out, the pressure in the buffer tank is reduced along with the increase of the amount of the liquid flowing out of the buffer tank, the pressure conveyed by the liquid in the collecting pipe is correspondingly reduced, a first pressure detector detects pressure data of the liquid in the collecting pipe and feeds the pressure data back to a controller, when the pressure data of the liquid in the collecting pipe is lower than a preset value, the controller controls a conveying pump to operate, the liquid stored in the liquid storage tank is pumped out by the conveying pump through a second liquid conveying pipe and collected into the collecting pipe, and the pressure of the liquid in the collecting pipe is correspondingly increased, so that the pressure of the liquid in the collecting pipe is kept constant; when the flow switch is closed, the feeding pipe stops feeding, the second pressure detector detects a pressure value in the buffer tank and feeds the pressure value in the buffer tank back to the controller, if the pressure value in the buffer tank is lower than a preset value, the conveying pump continues to operate, liquid stored in the liquid storage tank is pumped out by the conveying pump through the second liquid conveying pipe and conveyed to the collecting pipe, and then enters the buffer tank from the collecting pipe to improve the pressure in the buffer tank, and when the pressure value in the buffer tank reaches the preset value, the liquid conveying pump stops working; the embodiment of the utility model provides a liquid conveying system can keep invariable pressure when transporting liquid, and the conveying efficiency is high to can also toward pressurizeing in the cushion pot after carrying liquid material, so that use next time.

According to the utility model discloses some embodiments provide a liquid conveying system still include air pressure adjusting device, air pressure adjusting device includes gas holder, gas-supply pipe and breather valve, the breather valve sets up the top of buffer tank, the both ends of gas-supply pipe respectively with the breather valve and gas tank connection.

According to the utility model discloses some embodiments provide a liquid conveying system still include back flow and relief valve, the relief valve sets up the top of buffer tank, the both ends of back flow respectively with the relief valve and the liquid storage pot is connected.

According to the utility model discloses some embodiments provide a liquid conveying system, be provided with first check valve on the back flow, first check valve is used for blockking liquid reflux in the liquid storage tank.

According to some embodiments of the present invention, a liquid delivery system is provided, wherein a filter is disposed upstream of the delivery pump along a flow direction of the liquid in the second infusion tube, and the filter is connected to the second infusion tube.

According to the utility model discloses some embodiments provide a liquid conveying system, the low reaches of delivery pump are provided with the second check valve, the second check valve is used for blockking liquid backward flow in the manifold.

According to the utility model discloses some embodiments provide a liquid conveying system, be provided with third pressure detector on the pressure manifold, third pressure detector is located the delivery pump with between the second check valve, third pressure detector is used for detecting the pressure of the liquid of delivery pump output.

According to the utility model discloses some embodiments provide a liquid conveying system, be provided with the thermoscope on the pressure manifold, the thermoscope is located the delivery pump with between the second check valve, the thermoscope is used for detecting the temperature of the liquid of delivery pump output.

According to the utility model discloses some embodiments provide a liquid conveying system, the top of liquid storage pot is provided with the breather valve, the breather valve is used for stabilizing atmospheric pressure in the liquid storage pot.

According to the utility model discloses some embodiments provide a liquid conveying system, the top of liquid storage pot is provided with the level gauge, the level gauge is used for detecting the liquid level of liquid in the liquid storage pot.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an overall schematic view of a liquid delivery system provided in some embodiments of the present invention;

reference numerals the following were used:

a liquid storage tank 100, a buffer tank 110, a first infusion tube 120, a delivery pump 130, a second infusion tube 140, a collecting tube 150, a feeding tube 160, a controller 170, a first pressure detector 180, a second pressure detector 190, a flow switch 200 an air reservoir 210, a vent valve 220, a return line 230, a relief valve 240, a first check valve 250, a filter 260, a second check valve 270, a third pressure detector 280, a temperature detector 290, a breather valve 300, and a liquid level gauge 310.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, a liquid delivery system is provided according to some embodiments of the present invention, including: the liquid storage tank 100 is used for storing liquid; the first infusion device comprises a buffer tank 110 and a first infusion tube 120, and two ends of the first infusion tube 120 are respectively connected with the buffer tank 110 and the liquid storage tank 100; the second infusion device comprises a delivery pump 130 and a second infusion tube 140, and two ends of the second infusion tube 140 are respectively connected with the liquid storage tank 100 and the delivery pump 130; the discharging pipe group comprises a collecting pipe 150 and a feeding pipe 160, the collecting pipe 150 is respectively connected with the buffer tank 110 and the delivery pump 130, and the feeding pipe 160 is connected with the output end of the collecting pipe 150; the constant pressure delivery device comprises a controller 170, a first pressure detector 180, a second pressure detector 190 and a flow switch 200, wherein the first pressure detector 180 is used for detecting the pressure of liquid in the collecting main 150, the second pressure detector 190 is used for detecting the pressure in the buffer tank 110, the flow switch 200 is used for opening or closing the collecting main 150, and the first pressure detector 180, the second pressure detector 190, the flow switch 200 and the delivery pump 130 are all electrically connected to the controller 170.

According to the embodiment of the present invention, by providing the constant pressure conveying device in the liquid conveying system, when the flow switch 200 is turned on, the feeding pipe 160 starts to feed materials, the liquid in the buffer tank 110 flows out, and the amount of the liquid flowing out along with the buffer tank 110 increases, the pressure in the buffer tank 110 decreases, the pressure conveyed by the liquid in the collecting pipe 150 also decreases correspondingly, the first pressure detector 180 detects the pressure data of the liquid in the collecting pipe 150 and feeds the pressure data back to the controller 170, when the pressure data of the liquid in the collecting pipe 150 is lower than the preset value, the controller 170 controls the operation of the conveying pump 130, the liquid stored in the liquid storage tank 100 is pumped out by the conveying pump 130 through the second liquid conveying pipe 140 and collected into the collecting pipe 150, and the pressure of the liquid in the collecting pipe 150 is increased correspondingly, so as to keep the pressure of the liquid in the collecting pipe 150 constant; when the flow switch 200 is turned off, the feeding pipe 160 stops feeding, the second pressure detector 190 detects the pressure value in the buffer tank 110 and feeds the pressure value in the buffer tank 110 back to the controller 170, if the pressure value in the buffer tank 110 is lower than a preset value, the conveying pump 130 continues to operate, the liquid stored in the liquid storage tank 100 is pumped out by the conveying pump 130 through the second liquid conveying pipe 140 and conveyed to the collecting pipe 150, and then enters the buffer tank 110 from the collecting pipe 150 to increase the pressure in the buffer tank 110, and when the pressure value in the buffer tank 110 reaches the preset value, the liquid conveying pump stops working; the embodiment of the utility model provides a liquid conveying system can keep invariable pressure when transporting liquid, and the conveying efficiency is high to can also pressurize in toward buffer tank 110 after carrying liquid material, so that use next time.

It can be understood that when the liquid conveying system transports less liquid materials and the pressure of the liquid delivery is low, the pressure in the buffer tank 110 can meet the condition of constant-pressure liquid delivery, and at this time, the liquid delivery pump is not started, which is beneficial to saving energy.

Referring to fig. 1, according to the utility model discloses a liquid conveying system that some embodiments provided, still include air pressure adjusting device, air pressure adjusting device includes gas holder 210, gas-supply pipe and vent valve 220, gas holder 210 is used for storing nitrogen gas, vent valve 220 sets up the top at buffer tank 110, the both ends of gas-supply pipe are connected with vent valve 220 and gas holder 210 respectively, when liquid conveying system operation, through setting up air pressure adjusting device in order to keep the stability of buffer tank 110 internal gas pressure, be favorable to the transport of liquid, and, when delivery pump 130 is to buffer tank 110 internal pumping liquid, air pressure adjusting device can stabilize the liquid level in buffer tank 110.

Referring to fig. 1, according to the present invention, the liquid conveying system further includes a return pipe 230 and a safety valve 240, the safety valve 240 is disposed at the top of the buffer tank 110, two ends of the return pipe 230 are respectively connected to the safety valve 240 and the liquid storage tank 100, the safety valve 240 is disposed at the top of the buffer tank 110, when the pressure in the buffer tank 110 is too high, the liquid in the buffer tank 110 can flow into the liquid storage tank 100 through the return pipe 230 after passing through the safety valve 240, the pressure of the liquid in the buffer tank 110 is reduced after passing through the safety valve 240, which is beneficial to improving the safety of the operation process of the liquid conveying system.

Referring to fig. 1, according to the liquid delivery system provided by some embodiments of the present invention, the return pipe 230 is provided with a first check valve 250, the first check valve 250 is used for blocking the liquid backflow in the liquid storage tank 100, and by providing the first check valve 250 on the return pipe 230, the safety valve 240 and the return pipe 230 realize one-way conduction, which can effectively block the liquid backflow in the liquid storage tank 100.

Referring to fig. 1, according to some embodiments of the present invention, a filter 260 is disposed upstream of the delivery pump 130 along the flow direction of the liquid in the second infusion tube 140, the filter 260 is connected to the second infusion tube 140, and the filter 260 is disposed to filter the impurities in the liquid, so as to prevent the impurities from blocking the second infusion tube 140.

Referring to fig. 1, according to the liquid conveying system provided by some embodiments of the present invention, a second check valve 270 is disposed downstream of the conveying pump 130, the second check valve 270 is used for blocking backflow of liquid in the collecting main 150, and by disposing the second check valve 270 downstream of the conveying pump 130, the liquid in the collecting main 150 cannot flow back to the conveying pump 130, and when the conveying pump 130 stops running and the liquid in the buffer tank 110 flows through the collecting main 150, the liquid cannot flow back to the conveying pump 130.

Referring to fig. 1, according to the liquid conveying system provided by some embodiments of the present invention, the collecting main 150 is provided with a third pressure detector 280, the third pressure detector 280 is electrically connected to the controller 170, the third pressure detector 280 is located between the conveying pump 130 and the second check valve 270, the third pressure detector 280 is used for detecting the pressure of the liquid output by the conveying pump 130, and a worker can judge the working state of the conveying pump 130 by observing the pressure data of the liquid output by the conveying pump 130.

Referring to fig. 1, according to the liquid conveying system provided by some embodiments of the present invention, the collecting main 150 is provided with the temperature detector 290, the temperature detector 290 is located between the conveying pump 130 and the second check valve 270, the temperature detector 290 is used for detecting the temperature of the liquid output by the conveying pump 130, and the temperature detector 290 is used for detecting the temperature of the liquid output by the conveying pump 130, so as to facilitate the worker to monitor the working state of the liquid conveying system.

Referring to fig. 1, according to the liquid delivery system provided by some embodiments of the present invention, the top of the liquid storage tank 100 is provided with a breather valve 300, the breather valve 300 is communicated with the outside, when the liquid level in the liquid storage tank 100 drops, the breather valve 300 can stabilize the air pressure in the liquid storage tank 100.

Referring to fig. 1, according to the liquid conveying system provided by some embodiments of the present invention, the top of the liquid storage tank 100 is provided with the level gauge 310, the level gauge 310 is used for detecting the liquid level of the liquid in the liquid storage tank 100, and the level gauge 310 is arranged at the top of the liquid storage tank 100, which is beneficial for the worker to monitor the level of the liquid in the liquid storage tank 100, so as to determine whether the liquid material in the liquid storage tank 100 is sufficient.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A liquid delivery system, comprising:

the liquid storage tank is used for storing liquid;

the first infusion device comprises a buffer tank and a first infusion tube, and two ends of the first infusion tube are respectively connected with the buffer tank and the liquid storage tank;

the second infusion device comprises a delivery pump and a second infusion tube, and two ends of the second infusion tube are respectively connected with the liquid storage tank and the delivery pump;

the discharge pipe group comprises a collecting pipe and a feeding pipe, the collecting pipe is respectively connected with the buffer tank and the delivery pump, and the feeding pipe is connected with the output end of the collecting pipe;

constant voltage conveyor, including controller, first pressure detector, second pressure detector and flow switch, first pressure detector is used for detecting the pressure of liquid in the collecting pipe, second pressure detector is used for detecting pressure in the buffer tank, flow switch is used for opening or closing the collecting pipe, first pressure detector second pressure detector flow switch and the equal electric connection of delivery pump in the controller.

2. The liquid conveying system according to claim 1, further comprising an air pressure adjusting device, wherein the air pressure adjusting device comprises an air storage tank, an air conveying pipe and a vent valve, the vent valve is arranged at the top of the buffer tank, and two ends of the air conveying pipe are respectively connected with the vent valve and the air storage tank.

3. The liquid delivery system of claim 1, further comprising a return pipe and a safety valve, wherein the safety valve is disposed at the top of the buffer tank, and both ends of the return pipe are connected to the safety valve and the liquid storage tank, respectively.

4. A fluid delivery system according to claim 3, wherein the return line is provided with a first check valve for blocking the return flow of fluid from the reservoir.

5. The liquid delivery system of claim 1, wherein a filter is disposed upstream of the delivery pump in the direction of flow of the liquid in the second infusion line, the filter being connected to the second infusion line.

6. The liquid delivery system of claim 5, wherein a second check valve is disposed downstream of the delivery pump for blocking backflow of liquid within the manifold.

7. The liquid delivery system of claim 6, wherein a third pressure detector is disposed between the delivery pump and the second check valve, the third pressure detector being configured to detect a pressure of the liquid output by the delivery pump.

8. The fluid delivery system of claim 6, wherein a temperature detector is disposed on the manifold, the temperature detector being located between the delivery pump and the second check valve, the temperature detector being configured to detect a temperature of the fluid output by the delivery pump.

9. The fluid delivery system of claim 1, wherein a breather valve is disposed at a top portion of the fluid reservoir for stabilizing air pressure within the fluid reservoir.

10. The fluid delivery system of claim 9, wherein a fluid level gauge is disposed at a top of said fluid reservoir for sensing a level of fluid within said fluid reservoir.